Posted by Nathan on Saturday, April 7, 2012 at 10:28pm.
Solve
x^26x+13=0

Math  Reiny, Saturday, April 7, 2012 at 10:51pm
If the coefficient of the x^2 term is 1 and the middle term coefficient is even, I use completing the square rather than the formula
x^2  6x + ... = 13 + ....
x^2 6x + 9 = 13+9
(x3)^2 = 4
x3 = ±√4
x = 3 ± 2i

Math  Bosnian, Saturday, April 7, 2012 at 10:54pm
In google type:
quadratic equation online
When you see list of results click on:
Free Online Quadratic Equation Solver:Solve by Quadratic Formula
When page be open in rectangle type:
x ^ 2  6 x + 13 = 0
and click option: solve it!
You wil see solution stepbystep
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